external version to assist delivery外: outside; external side倒转: turn the other way round; re ...术: art; skill; technique助产: accouche; deliver内外倒转术: bimanual version; combined version下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:外倒转术助产，即可在微信中查询翻译
